Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5629755 | Image forming apparatus | — | 1997-05-13 |
| 5610691 | Image forming apparatus having a contact charging member and a cleaning member | Sadao Takahashi, Takaaki Tawada | 1997-03-11 |
| 5572293 | Method of and system for cleaning a charge inducing member | Nobuo Kikuchi, Kouichi Yamazaki, Sadao Takahashi, Kentaro Matsumoto, Tadashi Hayakawa +3 more | 1996-11-05 |
| 5526100 | Image recording apparatus having a toner quantity control unit | Naomi Misago | 1996-06-11 |